We regularly post short Marine Wildlife Videos an Photographs with a short explanation regarding the subject and the technique used to capture the image.

All videos are made by Olivier Van den Broeck using Light & Motion video lights

and all photographs are by Greet Meulepas unless stated otherwise.

101. Spanish Dancer (Hexabranchus sanguineus) (dancing)

Subject: A Spanish Dancer (Hexabranchus sanguineus) is showing her best moves on a Mauritian reef. This big nudibranch is not the only gastropod with swimming capacities. Some Seahares (genus Aplysia) will easily outperform the Spanish Dancer in swimming speed and endurance. Most nudibranchs with swimming abilities use this skill to avoid predation rather than as a regular form of locomotion.

Technique: Filming a frantic moving nudibranch in the water column was more difficult than I thought. Key is to keep the distance between the camera’s lens and the subject as constant as possible. You can easily center your subject in post production by using keyframes.